a-a a-b aaa aab aad aae aag aam aao aap ab- aba abb abd abe abg abm abo abp ad- ada adb add ade adg adm ado adp aea aeb aed aee aeg aem aeo aep ag- aga agb agd age agg agm ago agp ama amb amd ame amg amm amo amp aoa aob aod aoe aog aom aoo aop ap- apa apb apd ape apg apm apo app b-p baa bab bad bae bag bam bao bap bba bbb bbd bbe bbg bbm bbo bbp bda bdb bdd bde bdg bdm bdo bdp be- bea beb bed bee beg bem beo bep bga bgb bgd bge bgg bgm bgo bgp bma bmb bmd bme bmg bmm bmo bmp boa bob bod boe bog bom boo bop bpa bpb bpd bpe bpg bpm bpo bpp daa dab dad dae dag dam dao dap dba dbb dbd dbe dbg dbm dbo dbp dda ddb ddd dde ddg ddm ddo ddp de- dea deb ded dee deg dem deo dep dga dgd dge dgg dgm dgp dma dmb dmd dme dmg dmm dmo dmp doa dob dod doe dog dom doo dop dpa dpb dpd dpe dpg dpm dpo dpp eaa eab ead eae eag eam eao eap eba ebb ebd ebe ebg ebm ebo ebp ed- eda edb edd ede edg edm edo edp eea eeb eed eee eeg eem eeo eep ega egb egd ege egg egm ego egp em- ema emb emd eme emg emm emo emp eo- eoa eob eod eoe eog eom eoo eop ep- epa epb epd epe epg epm epo epp g-d g-p gaa gab gad gae gag gam gao gap gba gbd gbe gbg gbm gbo gbp gda gdb gdd gde gdm gdo gdp ge- gea geb ged gee geg gem geo gep gga ggb ggd ggg ggm ggo ggp gma gmb gmd gme gmg gmm gmo gmp goa gob god goe gog gom goo gop gpa gpb gpd gpe gpg gpm gpo gpp m-o maa mab mad mae mag mam mao map mba mbb mbd mbe mbg mbm mbo mbp mda mdb mdd mde mdg mdm mdo mdp mea meb med mee meg mem meo mep mga mgb mgd mge mgm mgo mgp mma mmb mmd mme mmg mmm mmo mmp moa mob mod moe mog mom moo mop mpa mpb mpd mpe mpg mpm mpo mpp oaa oab oad oae oag oam oao oap ob- oba obb obd obe obg obm obo obp oda odb odd ode odg odm odo odp oea oeb oed oee oeg oem oeo oep oga ogd oge ogg ogo ogp om- oma omb omd ome omg omm omo omp oo- ooa oob ood oog oom ooo oop op- opa opb opd ope opg opm opo opp p-p paa pab pad pae pag pam pao pap pba pbb pbd pbe pbg pbm pbo pbp pda pdb pdd pde pdg pdm pdo pdp pea peb ped pee peg pem peo pep pga pgb pgd pge pgg pgm pgo pgp pma pmb pmd pme pmg pmm pmo pmp poa pob pod poe pog pom poo pop ppa ppb ppd ppe ppg ppm ppo ppp